Machine for bending armature-terminals



V. G. APPLE. MACHINE FOR BENDING ARMATURE TERMINALS.

APPLICATION FILED DEC. 23| |918.

Fammi Feb. 24

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IIIIIIIIII Mn-Hthig I I! l! II I I Y lIIIIII 'rawnd Feb. 24,1920.

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MNC..

- MACHINE FOR BENDING ARMA'IUHE TERMINALS.

.v. G. APPLE. MACHINE FOR BENDING ARMATURE TERMINALS.

APPIICATION FILED DEC. 23. |918.

Patented Feb. 24, 1920.

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Patenwd Feb. 24,1920.

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V. G. APPLE. MACHINE-FOR BENDING ARMATURE TERMINALS- MPucmon msu nicas.ma.

V. G. AJPLE.

MAcHmE fon BENmNG ARMMURE TEHMINALS.

APPLSCATION HLED DEC. 23| 19l8.

Patented Feb. 24,1920.

8 SHEETS-SHEET 5- SYM/M n@Y V G APPLE MACHINE fon summa Aamws EaMmALs.

APPLICATION FILED DEC-23I 1918.

Patentd Feb. 24,1920.

8 SHEETS-SHEET 5.

V, G; APPLE.

MACHINE fon BENDING AHMMURE TERMmALs.

APPLICATION FILED DEC.23| |918.

Patented Feb V. G. APPLE.

MACHINE fOR BENDING ARMMURE TERMINALS.

Armenian msu nic. 2s. 191s.

1,332,154. Y rammed Feb. 24,1920.

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f l////////////////////////////l//////////////0///' PATENT OFFICE.

VINCENT G. APPLE, 0F DAYTON, OHIO.

MACHINE FOR BEN DIN G ARMATURE-TERMINALS.

To all whom it may concern:

Be it known that I, VINCENT G. APPLE, a citizen ofthe `United States,residing at Dayton, in the county of Montgomery and State of Ohio, haveinvented certain new and useful Improvements in Machines for BendingArmature-Terminals, of which the followin is a specification.

One o? the objects of my invention is to provide a power driven tool, bymeans of which the terminal ends of armature conductors, at one or bothends ofthe core, may all simultaneously and uniformly b e bent intorespective positions, in appropriately disposed pairs, one or both endsof which may then be connected to commutator segments.

Another object of my invention is to provide a tool, and means foradjusting it, so that theextent to which the terminals are displacedwill be automatically determined to the end that the operationconsecutively performed on a series of like armatures may quickly andaccurately be accomplished.

The present -invention provides means whereby certain power driveninstrumentalities are employed to carry into effect the object sought inLetters Patent No. 1,238,959 granted to'Edward J. Tomlinson for aterminal bending tool for armaturesSeptember 4, 1917, and for makingarmatures, substantially as sh wn in In copendin application SerialNo..'139,753`, led Decem er 30, 1916, wherein conductor bars projectfrom each end of the core and which bars are intended to be subsequentlybent to their respective positions and suitably paired prior to beingJoined together, as by welding or otherwise, and, in which .either ofthe series of ends may be connected to respective commutator sections.

Bar wound, or'single turn armatures, in which'the conductor terminalsare bent from axial position into new circumferentially d1- rectednlanes tojform appropriate pairs for connection with the respectivesegments of armature commutators, require the services of relativelyhighly paid experts to accomplish this operation, when such work hasbeen done by hand. yas heretofore, and when each of the terminal Wiresisseparately manipulated. l

lhe armatureterminal ends must be bent uniformly .without verticaldeviation from their initialaxial planes, so as not to oc- Gupy anygreater space in the aggregate, in

Speciation bf Letters Patent.

Patented Feb. 24, 1920.

Application led December 533,` 1918. Serial No. 268,021.

their deflected positions, than when in their initial axial positions,to economize end room and to avold danger of short-circuitt requires agreat deal of power to bend all of the terminals of an armature a't onetime, but in doingy so, the time required for the purpose is materiallyshortened and uniformity of results is produced.

In my present invention I provide a machine that is capable of accurateand suffcient adjustment for the purpose and which 1s powerful enough tobend all of the terminals of an armature at one end, or at both ends, atthe same time and so arranged that when the bendin act has beenperformed, as desired, the ben ing operation may be automatically ormanually stopped, after which the armature which previously hadsubstantially straight bars projecting from the ends of the core, may bereplaced by another similar one upon which the desired operation is tobe formed, so that when the armature cornes from the machine, the endsare in place to be joined together. Other and further and more specificobjects of my invention will become readily apparent, to persons skilledin the art, from a consideration of the following descri tion when takenin conjunction with the (ii-aw-` ings, wherein Figure 1 is a plan viewof the machine.

F ig. 2 isa side elevation of the machine showing the side uponwhich thecontrolling mechanism is located.

Fig. 3 is an enlarged section taken on line 3-,3 of Fig. 2. F F ig. 4 isa section taken on line 4 4 of 'i ig. 5 is a transverse 5 5 of Fig. 4.-.

Fig. 6 is a transverse section taken on line 6 6 of Fig. 4.

Fig. 7 is an enlarged View of a pair of the terminal bending plates ormembers.

Fig. 8 is a fragment of a pair of the bending members showing a pair ofarmature terminals in place and the extent -to which they are displacedin the finished bends. V

F ig. 9 is a trigger mechanism for stoppin the machine in associationwith the clutc closing means.

Fig. 10 is a fragment of an armature core showing one set of terminalsprojlecting from one end thereof and the manner in which they are placedin pairs,

section taken on line wheel 2() when the two openings 30' in the sleeve31. By this means Fig. 11 is a transverse section taken on line 11-11 ofFig. 3.

Fig. 12 is a transverse section taken on line 12v-12 of Fig. e.

In all the views the same reference characters are employed to indicatesimilar parts.

A more or less cylindrical open along its top surface, as at 16, and isprovided at its ends with removable heads 17 and 18. The frame islaterally enlar ed, as at 19, to contain the driven worm w eel 20, andto the bottom of the enlarged portion 19 is bolted a 'casing 21 in whichthe driving worm 22 which rotates the wheel 20 is contained. Theextended end 23 is the driving shaft through which power is to beapplied to the machine. For convenience of operation the frame ismounted upon pedestals 25 and 26.

The worm wheel 20 is provided with an elongated hub 27 which is normallyloose on the shaft 28. It is also provided with four apertures in thedisk 29 comprising a four jaWed clutch member 29. The cooperating l 25clutch member 30 is slidable upon a shaft 28 and the elongated hub 27thereof is prolongedV into a sleeve 31. It is provided with fourcooperating clutch members 30 which enter the openings 29 near the hub27 of the clutch members are connected together for the purpose ofdriving the shaft 28. The shaft is enlarged .laterally to provide fourlateral pro]ect1ons 28',-as shown in Fig. 12-that engage the clutchmembers 29 ande() connect the worm wheel 20 With the shaft 28. The slid-,ing clutchmember 30 is laterally enlarged, as at 32, which enlargementcontains an annular spiral groove within which grooves when it isdesirable largement the yoke ends 33 and 34, of the yoke 35, project,for the purpose of laterall moving the clutch member 30 along the s aft28 to connect and disconnect the clutch members to rotate or stoprotation of the shaft 28. A shaft 36 suports the yoke member 35, andfinds bearings at its res-ipe'ctve ends in the standards 37 and 38,which are supported in the en- 19,-.of the frame 15. The end 36 of theshaft is squared, as at 39, for a socket shaft 40. The socket 41, of theshaft 40, en-

ges the squared end of the shaft 36 and nds bearing 42 in the frame 15.The shaft 40 is adapted Vto be oscllated by the operatl 43 is moved.

66 gated pinion 48' ing hand e 43, whereby the clutch members 29 and 30are adapted to be brought into engagement or from engagement,l inaccordance with the direction in which the handle This feature of theapparatus will be more fully described hereinafter.

' Bearing rings 44 and 45, near the outer ends of the shaft 28. aresupported in the standards 46 and 47, respectively. An elonis secured toone end of the meshes with frame 15 is. wheel. A shaft 55 is supportedin the frame- A beveled gear wheel 52 is secured to the shaft 28, by akey 53, and a bevel pinion'54, the teeth of the bevel gear near itsouter end, as at 56, and on the outer end it is provided with a handwheel 57. Near its inner end it is supported by a bearmg 58 of thestandard 59, so that the shaft 28 may be rotated, by rotation of thehand wheel 57, for a purpose to be hereinafter more fully explained.

The shaft and gear wheels which I have heretofore explained, Vto whichpower is a plied for driving the machine, are bo'dil) stationary. Oneither side of the longitudinal center of the machine are lon 'tudinallmovable heads 60 and 60". As t ese headlls and the parts attachedthereto are substantially duplicates, I Will describe one head,referring to it and its'parts by reference characters and to similarparts 1n the other head by the same characters with the addition of theexponent prime The head 60 is provided with laterally extending guides61 and surfaces 63 ofthe frame that bounds the opening 16 of the frame15. A gib late64 is secured to the part 65 by a series o screws 66, topermit free axial movement of` the head in the guides thus afforded.Depending from the head 60, at each end, respectively, are s aced apartarms 67 and 68, which aii'ord earings for a shaft 69. In the head 60 isa shaft 70. The half boxes 71 are secured to the head 60 by bolts 72 -tcafford bearings for the shaft 70, and to hold it in place on the head. v

` Suitably fixed to the shaft 69 is a drum ca m 73, having acircumferentially extending spiral groove 74 in its outer surface. Thespur gear wheel 75 is xed to the drum 73, by bolts 76. The gear wheel 75meshes with the spur gear pinion 50, on the drive shaft 28. The pinion50 is elongated s'o that the gear wheel 75 maybe 'moved axially thereofwithout being out of mesh therewith.

Fixed to the frame 15 is a cross bar 77, secured thereto by bolts 78 andwhich carries at its mid-portion a roller 79 that rejects into the oove74 of the drum cam 7g, Now inasmuc as the cross bar frame, it will beapparent that when the shaft 69 is rotated through the instrumentalityof the shaft28, the pinion 50 and the gear wheel 75, that the head 60and the connecting 4mechanism including the s iral cam .73, shafts 69and 70 will be axially moved with the head and the arrangement is suchthat the shafts 69 and 69', 70 and 70 will be moved toward each other inone cycle of their operation and away from each the other cycleofoperation, or in lother 77 is ixedto ,the

other in words, when the drums 73, 73 are rotated in a manner described,one rotation of the shafts 69, 69' will serve to move the respectiveheads toward each other and from each other, for a purpose to behereinafter more fully described.

Secured to the inner end of the shaft 70 is an armature terminal-bendingmember 80. The rotatable plate or member 80, more fully shown in Figs. 7Y and 8, is provided with a series of grooves 81 in the periphery,properly spaced apart, to contain terminals 82 of an armature.Concentrically arranged with the bending member 80 is another bending4plate or member 83, having a corresponding number of grooves 84 forcontaining armature terminals 85. The grooves in the members 80 and 83are alike in number and are correspondingly uniformly spaced apart. Thebending members 80 and 83 are to be oscillated in opposite direction asshown by the corresponding arrows 86 and 87. The member 80-is preferablyin the form of a disk or plate that may be removably secured to the head88, on the end of jthe shaft 70, as by pins 89, orotherwise, and thebending member 83 is preferably a flat ring that may be secured to thehead 89, as by pins 90, or otherwise, and these. members may be replacedwith other pairs of members having different numbers and sizes of slotswith ar'- bitrary spacings to correspond with the windings of theVarmature, or the size of the bars constituting the electrical/conductorsplaced upon the armature core. The head 89 is extended rearwardly into asleeve 92, on

Awhich is mounted and to which is secured a downwardly depending lever93, having 'an integral hub 94. A similar leyer 95, having a hub 96, issuitably secured 'directly to the shaft 70. The lever 93 bears upon oneside of the shaft 69,- the lever 95 on the other side, as more clearlyshown in Figs. 6 and 7. The levers 93 and 95 are each provided on theirfree ends, with rollers 98,- and each bears u o n the outer surface o ftheir respective right and left hand cams 99. These'cams are eachsecured to the shaft 69 bya suitable key 100. Now it will be manifestthat' when the shaft 69 is rotated. the shaft 7 0 and head 89 will beoscillated by the instrumentality of the cams 99 and the `levers 98. Theshaft will by this means be oscillated in one direction, while thebending head89 will be rotatably oscillated in the opposite direction,as shown by fthe arrows 86 and 87, in Fig. 7. A spring 101, one for eachlever, `has one of its ends 102 fixed to the lever and the other end,secured to a fixed part 103 of the frame, so that the rollers 98 willalways be yieldingly held in contact with the face of the respectivecams 99. i

The handle 43, controls the clutch members 29 and .30, by,` means ofwhich the gear Wheel 20 is caused to revolve "the shaft upreferably inthe s 28, and when in the position shown in Fig. 9, the said clutchmembers are disconnected. When the handle 43 is moved, for the purposeof connecting the clutch members in order that the shaft 28 may berotated and thus drive the bending members, the lever 43 is raised untilthe dog 104 engages the shoulder 105, on a 'latch member 106.` By thismeans the yoke me ber 35 is swung on the shaft 36, thus bringing theclutch ymembers into driving relation. The end of the do 104 will reston the shoulder 105, being hel there by the spring 107, and so long asthis trigger mechanism occupies the position described, the, shaft 28will be rotated. The latch member 106 is pivoted, as at 108, and to thispivot is attached another handle 109 by which the latch member 106 maybe moved. When the bending members have been rotated to the desired orproper position, in the manner described, the latch lever 109 may bemanually depressed, whereby to withdraw Vthe latch 106 from contact withthe dog 104, and thereby the spring 107 will move the clutch membersautomatically to open position to stop the machine. It is within theskill of an ordinary mechanic to arrange means for automatically movingthe latch lever 109 to accomplish this function, but for the purpose ofelearness I have omitted suchan apparent constructive modifcation fromthe drawings.

Midway of the frame 15 and below the horizontal opening in the uppersurface thereof, is an inte ral bridge member 110,

ape of an inverted arch, joining the sides of the frame 15 together forgreater strength, at this point. A curved armature-clampingmember 111isfixed to the sides 15 and 15h by screws 112. At one end of the clampingmember 111 is pivoted a coperating clamping member 113, as at 114, theother end 115 being held in place in coperation with the corres ondingclamping member111, by means o a bo1t116, and a nut 117, the bolt beingpivoted, as at 118, to the lower clamping member 111. Betweeny theseclamping members the armature core 125 With the straight, barsprojecting from one or both of its ends, is supported. The ends 82 and85, of the armature, constituting the conductors that areto be bent intoproper positions and to be joined in appropriate pairs are included-inthe respective apertures 81 and 84 of the bending members 80 and 83.

In orderto secure proper register of the terminals with the apertures inthe bending Lmembers, the shaft 28 may beturned by hand, through theinstrumentality of the 55 and the hand wheel 5 before the clutch members30 and,31 are brought into operaj tive association. i

After the terminals of a given armature havebeen bent to the extent andinto the positions desired, it may be removed from the machine andanother armature with straight terminals placed therein, whereupon thema chine may again be put through its cycle of operation.

While I have herein shown a single emV bodiment of my invention for thepurpose of clear disclosure it is manifest to persons skilled in the artthat changes may be made in the general arrangement and oonfigura--trolling the power means.

fas

2. A machine having in combination, means for holding an armature havingaxially projecting terminals, two independently rotatable parts, eachpart provided with a plurality of armature terminal engaging means,`saidmeans, on the two parts, being revoluble in opposite directions; powermeans to move the said terminal-engaging means to circumferentiallydisplace the said terminals and means to stop the rotation of saidrotatable means.

3. A machine having in combination, means for holding an armature havingaxially projecting terminals at each of its ends; two independentlyrotatable parts at each end of the armature, each part provided with aplurality` of armature-terminal-engaging means, andpow'er means forsimultaneously moving said terminal-engaging means to circumferentiallydisplace the terminals to form appropriate pairs thereof and means forcontrolling the power means.

4. A machine having in combination,

means for holding an armature having axially projecting terminals ateach of its ends; two independently rotatable Parts at each end of thearmature, each part provided with a plurality ofarmature-termmal-engaging means for engaging the respective terminals;

power means to simultaneously move said terminal-engaging means tocircumferentially displace the terminals to form appropriate pairsthereof and means to stop' movement, of the rotatable parts.`

5. A machine having in combination, means for holding an armature havingaxially projecting terminals; two independently rotatable parts, eachpart provided with a plurality of farmature-terminal-engaging means,said means on the twill parts being revoluble in opposite directions;

ower means to move said terminal-engagmg means to circumferentiallydisplace said terminals and means to stop movement of said rotatableparts.

6. A machine having in' combination, means to hold an armature havingaxially projecting terminals; a head containing a terminal-engaging partrotatable in one direction; another head, containing a terminalengagingpart rotatable in the opposite direction; power driving means to rotatesaid heads; means for connecting said heads to said driving means; alatch to maintain the connection and a, sprin and connection to actuatesaid means to isconnect the heads from said power driving means when thelatch members are disengaged.

7. A machine having in combination, means to hold an armature havingaxially projecting terminals; a head containing a terminal-engaging partrotatable in one direction; another head, containing a terminal-engagingpartv rotatable in the opposite direction; power driving means to rotatesaid head; means to move the heads toward the armature while beingrotated; and means for connecting said heads to said driving means. j,

8. A machine having in combination, means to hold an armature havingaxially projecting terminals; a head containing a terminal-engaging partrotatable in one direction; another head containing a terminalengagingpart rotatable in the opposite direction; power driving means to rotatesaid heads; means to move the heads toward the armature while beingrotated; means for connecting the said heads to the saidI driving means,andmeans to quickly disconnect said driving means and heads when the ar#mature terminals have been circumferentially displaced by the saidheads.

9. A machine having in combination, means to `hold an armature havingaxially projecting terminals; a head containing a terminal-engaging partrotatable in one direction; another head containing a terminalengagingpart rotatable in the'o posite di; rection; means to adjust the hea swith respect to the terminals; power dri ving means to rotate the saidheads; means to move the h ea`ds toward the armature while beingrotated; means for connecting thesaid heads to the said driving means`and means to quickly disconnect said driving means and heads vINcENT G.APPLE,y

